榜单
服务器优惠
AI论文
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END
END Synopsis Description Parameters Examples Compatibility See Also END Commits the current transaction. Synopsis END [ WORK | TRANSACTION ] Description END ... -
Loading Data with COPY
Loading Data with COPY Loading Data with COPY COPY FROM copies data from a file or standard input into a table and appends the data to the table contents. COPY is non-paralle... -
Managing Resources
Best Practices for Managing Resources Best Practices for Configuring Resource Management Best Practices for Using Resource Queues Modifying Resource Queues for Overloaded HDFS Is... -
Managing Resources
Best Practices for Managing Resources Best Practices for Configuring Resource Management Best Practices for Using Resource Queues Modifying Resource Queues for Overloaded HDFS Is... -
CREATE SEQUENCE
CREATE SEQUENCE Synopsis Description Parameters Notes Examples Compatibility See Also CREATE SEQUENCE Defines a new sequence generator. Synopsis CREATE [ TEMPORARY ... -
Representing NULL Values
Representing NULL Values Representing NULL Values NULL represents an unknown piece of data in a column or field. Within your data files you can designate a string to represent... -
Using Procedural Languages
Using Languages in HAWQ Using HAWQ Built-In Languages Using PL/Java Using PL/pgSQL Using PL/Python Using PL/R -
Creating and Managing Tables
Creating and Managing Tables Creating a Table Choosing Column Data Types Setting Table Constraints Check Constraints Not-Null Constraints Foreign Keys Choosing the Table Distr... -
dropuser
dropuser Synopsis Description Arguments Options Examples dropuser Removes a database role. Synopsis dropuser [< connection_options >] [- e | -- echo ] [- i | ... -
Representing NULL Values
Representing NULL Values Representing NULL Values NULL represents an unknown piece of data in a column or field. Within your data files you can designate a string to represent...